Revert "KSU: Update to 3.0.0"

This reverts commit c91543c.

Author: Creeeeger

drivers/kernelsu/.gitignore

@@ -2,13 +2,21 @@ menu "KernelSU"
 
 config KSU
 	tristate "KernelSU function support"
+	depends on OVERLAY_FS
 	default y
 	help
 	  Enable kernel-level root privileges on Android System.
-	  Requires CONFIG_KPROBES for kernel hooking support.
 	  To compile as a module, choose M here: the
 	  module will be called kernelsu.
 
+config KSU_KPROBES_HOOK
+	bool "Use kprobes for kernelsu"
+	depends on KSU
+	depends on KPROBES
+	default y
+	help
+	  Disable if you use manual hooks.
+
 config KSU_DEBUG
 	bool "KernelSU debug mode"
 	depends on KSU
@@ -17,29 +25,19 @@ config KSU_DEBUG
 	  Enable KernelSU debug mode.
 
 config KSU_ALLOWLIST_WORKAROUND
-	bool "KernelSU allowlist workaround"
-	depends on KSU
-	default n
-	help
-	  Enable workaround for broken allowlist save
-
-# For easier extern ifdef handling
-config KSU_MANUAL_HOOK
-	bool "KernelSU manual hook mode."
-	depends on KSU && KSU != m
-	default y if !KPROBES
-	default n
-	help
-	  Enable manual hook support.
+        bool "KernelSU Session Keyring Init workaround"
+        depends on KSU
+        default n
+        help
+          Enable session keyring init workaround for problematic devices.
+          Useful for situations where the SU allowlist is not kept after a reboot.
 
-config KSU_KPROBES_HOOK
-	bool "KernelSU tracepoint+kretprobe hook"
-	depends on KSU && !KSU_MANUAL_HOOK
-	depends on KRETPROBES && KPROBES && HAVE_SYSCALL_TRACEPOINTS
-	default y if KPROBES && KRETPROBES && HAVE_SYSCALL_TRACEPOINTS
-	default y if !KSU_MANUAL_HOOK
+config KSU_LSM_SECURITY_HOOKS
+	bool "use lsm security hooks"
+        depends on KSU
+        default y
 	help
-	  Enable KPROBES, KRETPROBES and TRACEPOINT hook for KernelSU core.
-	  This should not be used on kernel below 5.10.
+	  Disabling this is mostly only useful for kernel 4.1 and older.
+	  Make sure to implement manual hooks on security/security.c.
 
 endmenu